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Finding the Fourth Proportional to 575,809.70, 794,872.19 and 371,960.00

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Solution

The fourth proportional to 575,809.70, 794,872.19 and 371,960.00 is: 513,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,809.70 : 794,872.19 = 371,960.00 : x
  2. Step 2: Convert to fraction form
    575,809.70/794,872.19 = 371,960.00/x
  3. Step 3: Cross multiply
    575,809.70x = 794,872.19 × 371,960.00
  4. Step 4: Simplify right side
    575,809.70x = 295,660,659,919.78
  5. Step 5: Solve for x
    x = 295,660,659,919.78/575,809.70
  6. Step 6: Final answer
    x = 513,469.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.